Compare software

Ferdium vs Rambox: catalog facts
Ferdium	Rambox
Free Free and open source under Apache 2.0. Unlike Franz, the project states it does not…	Freemium A free plan is available. Additional features require a paid subscription.
Windows, macOS, Linux	Windows, macOS, Linux
Hundreds of services supported, with workspaces to group them No paid account or usage restrictions, unlike the Franz it forked from	Several accounts of the same service signed in side by side Workspaces and unified notifications across hundreds of services
Each service is a web view, so memory use grows quickly with many services Service integrations break when a provider changes its web app	The open-source community edition is end of life; the current product is closed source Running many web apps in one Electron window uses a lot of memory
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.